package com.kaifamiao.www.demo.Do16;
import java.util.Scanner;

public class Demo05 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入年龄");
        int age = sc.nextInt();
        String str = age >= 18? "你已经成年了":"未成年";
        System.out.println(str);




    }
}
